Finding the Fourth Proportional to 10,807.31, 14,914.09 and 5,839.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.31 : 14,914.09 = 5,839.31 : x
2. Step 2: Convert to fraction form
   10,807.31/14,914.09 = 5,839.31/x
3. Step 3: Cross multiply
   10,807.31x = 14,914.09 × 5,839.31
4. Step 4: Simplify right side
   10,807.31x = 87,088,039.46
5. Step 5: Solve for x
   x = 87,088,039.46/10,807.31
6. Step 6: Final answer
   x = 8,058.25